Communication device
Patent 7463911 Issued on December 9, 2008. Estimated Expiration Date: 
October 15, 2024. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
October 15, 2024. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesBattery operated personal terminal apparatus Battery lock mechanism for portable device Secure battery latch Battery pack having integral optical reader for wireless communication device Patent #: 7089291 InventorsAssigneeApplicationNo. 10964620 filed on 10/15/2004US Classes:455/575.1Housing or supportExaminersPrimary: Ferguson, KeithAttorney, Agent or FirmForeign Patent References
International ClassH04Q 7/32DescriptionBACKGROUNDThe present invention relates to a communication device, and in particular to a communication device providing a removable battery unit flattening the profile of a rear surface thereof. FIGS. 1A, 1B and 2A, 2B are perspective views of two conventional mobile phones P1 and P2. In FIG. 1A, the mobile phone P1 comprises a body M1, a cover M2 and a battery C1 having an electrical contact Q1. The battery C1 is integrally formed with the cover M2. A switch K21, two positioning holes K22 and an electrical contact Q2 areformed on the body M1. Three engaging portions K11, K12 and K12, corresponding to the switch K21 and two positioning holes K22 and K22, are integrally formed on the cover M2. As the engaging portions K12 of the cover M2 connect to the positioning holesK22 of the body M1, the switch K21 locks the engaging portions K11 of the cover M2, and the electrical contact Q1 of the battery C1 makes contact with the electrical contact Q2 of the body M1. In FIG. 1B, a button B1 disposed on the cover M2 is connected to the engaging portions K11. When the button B1 is pressed to disconnect the engaging portion K11 and the switch K21, the cover M2 can be removed from the body M1. In FIG. 2A, the mobile phone P2 comprises a body N1, a cover N2 and a battery C2 having an electrical contact R2. Three engaging portions H11, H12 and H12 are formed on the cover N2. A switch H21, a button B2, two positioning holes H22, H22 andan electrical contact R1 are formed on the body N1, corresponding to the engaging portions H11, H12 and H12 of the cover N2 and the electrical contact R2 of the battery C2. Connection of the electrical contacts R2 and R1 is achieved by inserting the battery C2 into the body N1. The battery C2 is housed between the cover N2 and the body N1 by aligning the engaging portions H11, H12 and H12 of the cover N2 to connectto the switch H21, the positioning holes H22 and H22, respectively. The cover N2 is removed from the body N1 by pressing the button B2, thereby disengaging the engaging portion H11 from the switch H21. The design of the button B1 and switch K21 on the rear of the mobile phone P1 as well as the button B2 and switch H11 on the rear of the mobile phone P2, however, leave the rear surface of the mobile phone uneven. SUMMARY The communication device of embodiments of the invention comprises a body, a battery unit and an ejecting device. The body is a host of the communication device, comprising an opening, a first port, a first positioning portion and a receptacle. The opening is formed on one end of the body, and the receptacle is a hollow rectangular space connecting the opening and the body. The first port is an electrical contact disposed in the body connected to a circuit board installed therein. The firstpositioning portion is a recess or hole formed on the sidewall of the receptacle near the opening. Thus, a flat profile is achieved on a rear surface of the communication device. A detailed description is given in the following embodiments with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS The invention can be more fully understood by reading the subsequent detailed description and examples with references made to the accompanying drawings, wherein: FIG. 1A is an exploded perspective view of a conventional mobile phone (P1); FIG. 1B is an assembled perspective view of the mobile phone (P1) of FIG. 1A; FIG. 2A is an exploded perspective view of a conventional mobile phone (P2); FIG. 2B is an assembled perspective view of the mobile phone (P2) of FIG. 2A; FIG. 3A is a perspective view of a communication device (E) of an embodiment of the invention, wherein a battery unit (2) is embedded in a body (1); FIG. 3B is an exploded perspective view of the communication device (E) of FIG. 3A, wherein the battery unit (2) is separated from the body (1); FIG. 4A is a perspective view of the battery unit (2) of FIG. 3B; FIG. 4B is a perspective view of the battery unit (2) of FIG. 4A; FIG. 5A is a partially sectional view of the communication device (E) of FIG. 3A along line (i-i), wherein the battery unit (2) is locked in the body (1); FIG. 5B is a plane view of the communication device (E) of FIG. 5A, prior to ejection of the battery unit (2) from the body (1); and FIG. 5C is a plane view of the communication device (E) of FIG. 5A, wherein the ejected battery unit (2) is electrically disconnected from the body (1). DETAILED DESCRIPTION A communication device E of an embodiment of the invention is an electronic device such as mobile phone or Personal Digital Assistant (PDA). FIGS. 3A and 3B are perspective views of an embodiment of the communication device E of the invention. FIG. 3A shows a battery unit 2 disposed in a body 1. FIG. 3B shows the battery unit 2 separated from the body 1. In FIG. 3B, the communication device E comprises a body 1, a battery unit 2 and an ejecting device 3. The body 1 is a host of the communication device E, comprising an opening 10, a first port 11, a first positioning portion 12 and a receptacle100. The opening 10 is formed on one end 10e of the body 1, and the receptacle 100 is a hollow rectangular space in the body 1 connecting the opening 10. The first port 11 is an electrical contact disposed in the body 1 and connected to a circuit board(not shown) installed in the body 1. The first positioning portion 12 is a recess or hole formed on the sidewall of the receptacle 100 near the opening 10. FIGS. 4A and 4B are two perspective views of the battery unit 2 of FIG. 3B. The battery unit 2 comprises a case 20, a cell 20c, a second port 21 and a second positioning portion 22. The cell 20c is received in the rectangular case 20 for powerstorage. The rectangular case 20 has two guiding portions 200 and four sides 20e1, 20e2, 20e3 and 20e4. The second port 21 is an electrical contact disposed on the side 20e1 of the case 20 and connecting the cell 20c, and two guiding portions 200formed as spaced slots on the side 20e2, respectively. The second positioning portion 22 is a bar-like element movably disposed on the side 20e2, having two protrusions 220 and a rod 221. The protrusions 220 are exposed on an outer surface of the side20e2 of the case 20. The longitudinal direction of the rod 221 is substantially parallel to the side 20e2, and the protrusions 220 integrally formed on the rod 221 are movably received in the guiding portions 200, respectively. FIGS. 5A-5C are partial sectional views of the communication device E of FIG. 3A along line i-i. FIG. 5A shows the battery unit 2 disposed in the body 1 secured by the second positioning portion 22. FIG. 5B shows the battery unit 2 prior toejection from the body 1, and the battery unit 2 in FIG. 5C is ejected and electrically disconnect from the body 1. The guiding portion 200, guides the second positioning portion 22 as it moves between a first position (reference number "g1" shown inFIG. 5A) to secure the battery unit 2 in the body 1 and a second position (reference number "g2" shown in FIG. 5B) for removing the battery unit 2 from the body 1 with respect to the cell 20c. The ejecting device 3 is disposed on the sidewall of the receptacle 100 of the body 1. In this embodiment, the ejecting device 3 is a spring. The site of the first port 11 disposed on the sidewall of the receptacle 100 corresponds to the secondport 21 of the battery unit 2. In other embodiments, the ejecting device 3 can also be installed on the battery unit 2, but not shown in the FIGS. FIG. 5A shows the battery unit 2 received in the receptacle 100 fully inserted and the rod 221 of the second positioning portion 22 has moved to insert the first positioning portion 12. The battery unit 2 is secured in the body 1, the ejectingdevice 3 between the body 1 and the battery unit 2 is compressed and the second port 21 of the battery unit 2 connects the first port 11, electrically connecting the battery unit 2 to the body 1. In FIG. 5B, as the battery unit 2 received in the receptacle 100 is still fully inserted and the rod 221 of the second positioning portion 22 is removed from the first positioning portion 12 along direction F, i.e., the battery unit 2 is unlockedin the body 1, the compressed ejecting device 3 between the body 1 and the battery unit 2 is released generating a force pushing the ejecting device 3 out of the receptacle 100. As the force of the ejecting device 3 is completely released shown in FIG. 5C, the battery unit 2 is pushed out of the receptacle 100 and partially extends from the body 1. Thus, the battery unit 2 is electrically disconnected from the body 1. While the invention has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary,is intended to accommodate various modifications and equivalent arrangements included within the spirit and scope of the appended claims. Field of SearchHousing or supportPower booster Power supply Battery charging Power conservation Convertible (e.g., to diverse art device) Slidable type Having particular application (e.g., avalanche victim assistance) of a transceiver Having particular configuration (e.g., C.B., or walkie-talkie) of a transceiver Having particular housing or support of a transceiver Zoned or cellular telephone system Plural transmitters or receivers (i.e., more than two stations) Radiotelephone equipment detail To or from mobile station TRANSMITTER AND RECEIVER AT SAME STATION (E.G., TRANSCEIVER) Handset structure Slideable mechanism Casing or enclosure, per se Battery Housing or housing component For handheld device CELL SUPPORT FOR REMOVABLE CELL Having switch or interlock means |
